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5500 Watt Heavy Duty Generator
TROUBLESHOOTING
Problem
Cause
Solution
Engine is running, but
no AC output is
available.
1. Circuit breaker is open.
2. Poor connection or defective cord set.
3. Connected device is bad.
4. Fault in generator.
1. Reset circuit breaker.
2. Check and repair.
3. Connect another device that is in good
condition.
4. Contact Generac service facility.
Engine runs good but
bogs down when
loads are connected.
1. Short circuit in a connected load.
2. Generator is overloaded.
3. Engine speed is too slow.
4. Shorted generator circuit.
1. Disconnect shorted electrical load.
2. See “Don’t Overload the Generator” on
page 9.
3. Contact Briggs and Stratton service
facility.
4. Contact Generac service facility.
Engine will not start;
or starts and runs
rough.
1. Rocker switch set to “Off”.
2. Fuel valve is in the “Closed” position.
3. Low oil level.
4. Dirty air cleaner.
5. Out of gasoline.
6. Stale gasoline.
7. Spark plug wire not connected to
spark plug.
8. Bad spark plug.
9. Water in gasoline.
10. Overchoking.
11. Excessively rich fuel mixture.
12. Intake valve stuck open or closed.
13. Engine has lost compression.
1. Set switch to “On”.
2. Turn fuel valve to the “Open” position.
3. Fill crankcase to proper level.
4. Clean or replace air cleaner.
5. Fill fuel tank.
6. Drain gas tank and fill with fresh fuel.
7. Connect wire to spark plug.
8. Replace spark plug.
9. Drain gas tank; fill with fresh fuel.
10. Set choke to “Off” position.
11. Contact Briggs service facility.
12. Contact Briggs service facility.
13. Contact Briggs service facility.
Engine shuts down
during operation.
1. Out of gasoline.
2. Fault in engine.
1. Fill fuel tank.
2. Contact Briggs service facility.
Engine lacks power.
1. Load is too high.
2. Dirty air filter.
1. See “Don’t Overload the Generator” on
page 9.
2. Replace air filter.
Engine “hunts” or
falters.
1. Choke is opened too soon.
2. Carburetor is running too rich or too
lean.
1. Move choke to halfway position till engine
runs smoothly.
2. Contact Briggs service facility.